The 8452/2H4P from EBM-Papst is a compact DC axial fan with a flanged ring, measuring 80 × 80 × 25 mm, designed for applications where precise airflow control and reliable operation are crucial. The fan operates on 12 V DC and can handle a wide voltage range of 8–15 V, offering great flexibility in various electrical systems. With a maximum airflow of 115 m³/h and ball bearings, it is built for long operating life.
Thanks to integrated PWM control and an open collector tachometer, the 8452/2H4P is excellently suited for control cabinets, servers, medical equipment, and industrial electronics where speed control and operational monitoring are required.
- Voltage: 12 V DC (range 8–15 V)
- Airflow: 115 m³/h (free flow, 100% PWM)
- Maximum static pressure: 133 Pa
- Speed: 6,200 rpm
- Power: 6.8 W | Rated current: 570 mA
- Sound pressure level: 50 dB(A)
- Bearing type: ball bearing
- Connection: cable 310 mm, 3-conductor with open collector tach
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Technical specifications
Datasheet (PDF) - download| Product attribute | Value |
|---|---|
| Airflow at 0 Pa | 115 m³/h |
| Speed | 6200 rpm |
| Power | 6.8 W |
| Voltage | 12 V DC VAC |
| Motor frame | The fan measures 80 × 80 × 25 mm and weighs 110 g. The casing is made of plastic. Mounting is done with M4 screws (ISO 4762), degreased and without washers. Maximum tightening torque varies depending on the mounting corner: 30 Ncm in the cable corner and 50 Ncm in the other corners. |
| Casing | plastic, square |
| Impeller | The fan impeller is made of plastic and rotates counter-clockwise when viewed from the rotor side. The airflow is directed outwards over the struts. With free airflow and 100% PWM, a maximum flow of 115 m³/h and a maximum static pressure of 133 Pa are achieved. |
| Bearing type | ball bearing |
| Rotation direction | counter-clockwise |
| Motor type | The motor is a DC motor with electronic speed control via PWM signal. Nominal voltage is 12 V DC with an allowed voltage range of 8–15 V. The motor has built-in reverse polarity protection via a rectifier diode and automatic restart in case of locked rotor. The electronics support PWM frequencies between 1 kHz and 30 kHz (typical 5 kHz). |
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